Home / 817,765.65-1,226,831.42-249,191.25

Finding the Fourth Proportional to 817,765.65, 1,226,831.42 and 249,191.25

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Solution

The fourth proportional to 817,765.65, 1,226,831.42 and 249,191.25 is: 373,842.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,765.65 : 1,226,831.42 = 249,191.25 : x
  2. Step 2: Convert to fraction form
    817,765.65/1,226,831.42 = 249,191.25/x
  3. Step 3: Cross multiply
    817,765.65x = 1,226,831.42 × 249,191.25
  4. Step 4: Simplify right side
    817,765.65x = 305,715,653,601.39
  5. Step 5: Solve for x
    x = 305,715,653,601.39/817,765.65
  6. Step 6: Final answer
    x = 373,842.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.